Jo flies up from Florida to find out who leaked the story of Sabre's faulty printers.

Michael continues to date Donna even though she has a husband.

Michael suspects Donna is cheating on him.

Michael gets wildly confused when trying to read a female client's body language.

Andy pulls out all the stops to make sure Erin's Secretary's Day is one she'll never forget.

The Dunder Mifflin gang decides to plan a happy hour, but things go awry when Michael almost gets thrown out of the bar.

When the sales staff lets Sabre's new "sales is king" policy go to their heads, Michael hides their new, prized leads.

Michael is upset when despite all his efforts he can\\\'t get Jo to like him.

Michael adjusts to the news that Dunder Mifflin has been bought by a new company, Sabre.

When a potential buyer shows up at Dunder Mifflin, Michael thinks back on all the good times in the office.

Michael is outraged when Jim allows Phyllis to play Santa at this year's office holiday party.

Michael is forced to face the music when a promise he made to a class of third graders ten years ago comes back to haunt him; Dwight steps up his plan to take Jim out.

Michael discovers he's going to be honored by David Wallace in New York and brings Dwight, Andy, and Oscar along for the ride.

Michael's world is rocked by troubling rumors about Dunder Mifflin; Andy attempts to court Erin.

Jim and Pam are forced to go on an uncomfortable double date with Michael and Pam's mother.

It's Halloween and the office plans a haunted house for children in the community.

Michael's got a new love interest and does his best to keep her identity a secret.

Michael suspects an insurance salesman is part of the mafia and enlists the help of Andy and Dwight to find out.

Jim and Pam take the office to the falls for a wedding to remember.

Dwight reaches his breaking point with Jim and looks to the rest of the office for allies.

The recession hits Dunder Mifflin and Dwight hits his breaking point with Jim.

Michael feels left out as the rest of the office gossips about the summer interns.